** Changed in: linux (Ubuntu Jammy)
Status: Confirmed => In Progress
** Changed in: hwe-next
Status: Confirmed => In Progress
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1942999
Title:
[SRU][H/OEM-5.13/OEM-5.14/U][J/OEM-5.17/U] Fix invalid MAC address
after hotplug tbt dock
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.17 package in Ubuntu:
Confirmed
Status in linux-oem-5.13 source package in Focal:
Fix Released
Status in linux-oem-5.14 source package in Focal:
Fix Released
Status in linux source package in Hirsute:
Won't Fix
Status in linux source package in Impish:
Fix Released
Status in linux source package in Jammy:
In Progress
Status in linux-oem-5.13 source package in Jammy:
Invalid
Status in linux-oem-5.14 source package in Jammy:
Invalid
Status in linux-oem-5.17 source package in Jammy:
Confirmed
Bug description:
SRU justification:
[Impact]
igc driver can not connect to network after re-plugin thunderbolt dock when
MAC passthrough enabled in BIOS.
[Fix]
Wait for the MAC copy of BIOS when enabled MAC passthrough.
Intel engineer wants a different solution and promise to discuss with
firmware engineer.
Due to the schedule, made this as a short term solution to fix the issue, and
wait for the other
fix from Intel.
[Test]
Verified on hardware, after hotplug the thunderbolt cable,
Ethernet works fine.
[Where problems could occur]
It may break the igc driver.
Intel still doesn't provide any solution about their approach.
In the meantime, this patch is still the only fix.
Re-submit it to Jammy, oem-5.17 and Unstable kernel.
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